I used this gearbox as part of my Alexa controlled automatic opening trash can. The gearbox as designed was quite noisy and some of the gears were a somewhat wobbly on their shafts so I modified the design to add some small ball bearings to the gears in question, which made things a lot quieter. My modified gear STL files are attached. Two sizes of bearings were used: 606-2RS (17mm OD x 6mm ID x 6mm thick) and MR126-2RS (12mm OD x 6mm ID x 4mm thick). You can read more about my trash can at https://markwtech.com/home-projects/alexa-controlled-trash-can/

Creality

CR-10S

No

Yes